Cladonia cariosa - Common Macrolichens of the Pacific Northwest

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Click on Characteristic name for explanation. Click on image for larger version.

Cladonia cariosa

Overview
PNW Range:
West side	Common
East side	Common
Immediate coast	Occasional
Alpine or subalpine	Uncommon
Habitat:	Roadcuts, streambanks, and other disturbed sites, exposed to somewhat sheltered; valleys to subalpine, occasionally alpine.
Substrate:	On soil, rarely on rotten wood.
Comments:
Synonymy:	none

Cladonia cariosa - Podetia fissures

Podetia fissures
by B. McCune

1/4

Cladonia cariosa - Habit

Habit
by B. McCune

2/4

Cladonia cariosa - Habit

Habit
by B. McCune

3/4

Cladonia cariosa - Squamules

Squamules
by B. McCune

4/4

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Scale: Bar=1mm unless noted

Growth Form
Fruticose:	Almost always
Foliose:	Never
Crustose:	Never
Appressed Foliose:	Never
Fluffy Foliose or Strappy:	Never
Dangling Hair:	Never
Erect Hair:	Never
Appressed Hair:	Never
Stalks With Squamules:	Almost always
Stalks:	Almost always
Squamules:	Almost always
Single Holdfast:	Never
Dangling Nets:	Never

Upper Surface
Upper Surface Color (Dry)
Pale Gray Green:	Almost always
Pale Green:	Commonly
Whitish:	Commonly
Pale Gray:	Almost always
Upper Surface Tomentose:	Never
Upper Surface Pruinose or Scabrid:	Never
Upper Surface with Network of Ridges:	Never
Upper Surface with Pseudocyphellae:	Never
Upper Surface with Holes into Cavity:	Never
Cilia on Margins:	Never

Lower Surface (Foliose)
Lower Surface Color (Dry)
Whitish:	Almost always
Pale Gray:	Sometimes
Veined Below:	Never

Interior
Inside (Medulla) Yellow or Orange:	Never
Central Cord:	Never
Hollow Stalks or Hollow Lobes:	Almost always
Gelatinous:	Never

Photobiont
Green Algae Primary Photobiont:	Almost always
Cyanobacteria Primary Photobiont:	Never
Internal Cephalodia:	Never
External Cephalodia:	Never

Chemistry
Cortex K+ Yellow:	Almost always
Medulla P+ Orange or Red:	Never

Sexual Reproduction
Perithecia:	Never
Apothecia:	Almost always
Mazaedium:	Never
Disk Color (Dry)
Disk Brown or Tan:	Almost always

Asexual Reproduction
Isidia:	Never
Soredia:	Never
Lobules:	Never

Cladonia Specific
Cup forming:	Never
Richly Branched:	Never
Stalks With Melanotic Base:	Never
Branch Axils Or Cups Open:	Never